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प्रश्न
What is lateral displacement?
उत्तर
The perpendicular distance between the path of the emergent ray and the direction of the incident ray is called the lateral displacement.
संबंधित प्रश्न
After tracing the path of a ray of light passing through a rectangular glass slab for four different values of the angle of incidence, a student reported his observations in tabular form as given below:
| S.No | ∠ i | ∠ r | ∠ e |
| I | 30° | 19° | 29° |
| II | 40° | 28° | 40° |
| III | 50° | 36° | 50° |
| IV | 60° | 40° | 59° |
The best observation is
(A) I
(B) II
(C) III
(D) IV
Explain the term absolute refractive index of a medium and write an expression to relate it with the speed of light in vacuum.
Observe the following figure and answer the questions given under it:
1) How many times does refraction take place in the above figure?
2) What happens to the ray of light when it passes from air to glass?
3) What happens to the ray of light when it passes from glass to air?
4) What are the rays AB and CD in the figure called?
5) Define refraction.
The highest refractive index is of ______.
Name the colour of white light which is deviated the most on passing through a prism.
Draw a diagram to show the splitting of white light into its constituent colours.
Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel sided glass slab.
Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?
How will you verify the laws of refraction or how the refractive index of glass is determined in the laboratory?
